GrandTab 2021.06.30 Compiled: 6/30/2021 by Jason Azat California Central Valley Chinook Population Database Report California Department of Fish and Wildlife Fisheries Branch Anadromous Resources Assessment California Central Valley Sacramento and San Joaquin River Systems Chinook Salmon Escapement Hatcheries and Natural Areas The Fisheries Branch Anadromous Resource Assessment Unit compiles annual population estimates of Chinook salmon, Oncorhynchus tshawytscha, in the Sacramento San Joaquin River system. The GrandTab report is a compilation of sources estimating the late-fall, winter, spring, and fall-run Chinook salmon total populations for streams surveyed. Estimates are based on counts of fish entering hatcheries and migrating past dams, carcass surveys, live fish counts, and ground and aerial redd counts. Estimates are provided by the California Department of Fish and Wildlife, the US Fish and Wildlife Service, the California Department of Water Resources, the East Bay Municipal Utilities District, the US Bureau of Reclamation, the Lower Yuba River Management Team, and the Fisheries Foundation of California. The Sacramento-San Joaquin River system is the principal producer of Chinook salmon caught in California's ocean fisheries. Its salmon runs also contribute to the ocean fisheries of Oregon and Washington. The fall run has been monitored since 1952, spring run since 1960, and late-fall and winter runs since 1970. The four runs are distinguished as follows: 1) Late-fall run: These salmon spawn mainly in the upper Sacramento River and its tributaries near and upstream of Red Bluff. They arrive in this area in early November through February, with spawning occurring from January through mid-April. Adults of this run are usually larger in physical size than fall- and winter-run salmon spawning in the same area. 2) Winter run: These salmon spawn almost entirely in the Sacramento River and its tributaries upstream of Red Bluff, arriving there as early as December, with spawning occurring from April through August. 3) Spring run: Once widespread in Central Valley tributaries, this run has been extirpated from most of the streams in which dam construction has blocked access to upper watershed spawning habitat. Spring-run spawners return to the system from the ocean in late January through August; early arrivals to their natal streams oversummer in holding pools. Spawning occurs from mid-August through October. 4) Fall run: These are presently the most numerous and widely distributed salmon in the Central Valley. They return from the ocean during June through November and spawn from early October through late December. Monitoring of salmon escapement in Central Valley tributaries is an important component of the California Department of Fish and Game's fishery management function. The primary objectives of this work are to determine size and composition of salmon populations. Changes in salmon abundance, distribution, and habitat conditions that may reflect adverse effects on salmon are noted to determine if corrective action is necessary. Thanks to Dick Painter, Bob Kano, and Doug Killam for their work designing and maintaining the original GrandTab. Azat, J. 2021. GrandTab 2021.06.30 California Central Valley Chinook Population Database Report. California Department of Fish and Wildlife GrandTab is currently available for download here: https://www.wildlife.ca.gov/Conservation/Fishes/Chinook-Salmon/Anadromous-Assessment http://www.calfish.org/ProgramsData/Species/CDFWAnadromousResourceAssessment.aspx Page 1 of 25 California Department of Fish and Wildlife - Fisheries Branch Anadromous Assessment - GrandTab Date Compiled: 6/30/2021 CHINOOK SALMON ESCAPEMENT - ALL RUNS CENTRAL VALLEY: Sacramento and San Joaquin river systems LATE-FALL WINTER YEAR SPRING FALL YEAR Hatcheries In-River TOTAL YEAR TOTAL RBDD Hatcheries In-River TOTAL Hatcheries In-River TOTAL Nov 1951 - Apr 1952 Dec 1951 - Aug 1952 1952 11,000 349,000 360,000 Nov 1952 - Apr 1953 Dec 1952 - Aug 1953 1953 12,000 585,000 597,000 Nov 1953 - Apr 1954 Dec 1953 - Aug 1954 1954 8,000 479,000 487,000 Nov 1954 - Apr 1955 Dec 1954 - Aug 1955 1955 18,000 382,300 400,300 Nov 1955 - Apr 1956 Dec 1955 - Aug 1956 1956 8,995 157,779 166,774 Nov 1956 - Apr 1957 Dec 1956 - Aug 1957 1957 3,920 114,260 118,180 Nov 1957 - Apr 1958 Dec 1957 - Aug 1958 1958 24,214 263,252 287,466 Nov 1958 - Apr 1959 Dec 1958 - Aug 1959 1959 24,076 454,823 478,899 Nov 1959 - Apr 1960 Dec 1959 - Aug 1960 1960 11,068 11,068 38,771 437,245 476,016 Nov 1960 - Apr 1961 Dec 1960 - Aug 1961 1961 4,327 4,327 22,465 231,157 253,622 Nov 1961 - Apr 1962 Dec 1961 - Aug 1962 1962 3,642 3,642 17,510 234,126 251,636 Nov 1962 - Apr 1963 Dec 1962 - Aug 1963 1963 10,817 10,817 8,325 285,887 294,212 Nov 1963 - Apr 1964 Dec 1963 - Aug 1964 1964 8,021 8,021 30,860 284,367 315,227 Nov 1964 - Apr 1965 Dec 1964 - Aug 1965 1965 1,788 1,788 20,571 177,019 197,590 Nov 1965 - Apr 1966 Dec 1965 - Aug 1966 1966 427 427 11,326 184,507 195,833 Nov 1966 - Apr 1967 Dec 1966 - Aug 1967 1967 146 330 476 10,303 170,125 180,428 Nov 1967 - Apr 1968 Dec 1967 - Aug 1968 1968 208 455 663 15,657 194,657 210,314 Nov 1968 - Apr 1969 Dec 1968 - Aug 1969 1969 348 21,030 21,378 10,684 309,706 320,390 Nov 1969 - Apr 1970 Dec 1969 - Aug 1970 40,409 40,409 1970 235 7,437 7,672 16,144 219,349 235,493 Nov 1970 - Apr 1971 16,741 16,741 Dec 1970 - Aug 1971 53,089 53,089 1971 481 8,800 9,281 17,075 221,544 238,619 Nov 1971 - Apr 1972 31,559 31,559 Dec 1971 - Aug 1972 37,133 37,133 1972 256 8,588 8,844 14,081 138,982 153,063 Nov 1972 - Apr 1973 21,781 21,781 Dec 1972 - Aug 1973 24,079 24,079 1973 205 11,225 11,430 26,515 244,805 271,320 Nov 1973 - Apr 1974 6,083 6,083 Dec 1973 - Aug 1974 21,897 21,897 1974 198 9,053 9,251 17,120 217,506 234,626 Nov 1974 - Apr 1975 19,261 19,261 Dec 1974 - Aug 1975 23,930 23,430 1975 691 22,887 23,578 18,201 177,188 195,389 Nov 1975 - Apr 1976 15,908 15,908 Dec 1975 - Aug 1976 35,596 35,096 1976 699 25,141 25,840 14,858 180,350 195,208 Nov 1976 - Apr 1977 914 9,455 10,369 Dec 1976 - Aug 1977 17,214 17,214 1977 185 12,545 12,730 23,226 162,437 185,663 Nov 1977 - Apr 1978 12,479 12,479 Dec 1977 - Aug 1978 25,012 24,862 1978 202 7,924 8,126 17,441 139,521 156,962 Nov 1978 - Apr 1979 10,284 10,284 Dec 1978 - Aug 1979 2,364 2,364 1979 250 2,866 3,116 26,360 201,286 227,646 Nov 1979 - Apr 1980 9,093 9,093 Dec 1979 - Aug 1980 1,156 1,156 1980 269 12,195 12,464 31,397 140,740 172,137 Nov 1980 - Apr 1981 147 6,571 6,718 Dec 1980 - Aug 1981 22,797 20,041 1981 469 21,636 22,105 42,455 217,804 260,259 Nov 1981 - Apr 1982 445 6,454 6,899 Dec 1981 - Aug 1982 1,281 1,242 1982 1,910 25,980 27,890 42,077 188,629 230,706 Nov 1982 - Apr 1983 105 14,984 15,089 Dec 1982 - Aug 1983 1,831 1,831 1983 1,702 6,256 7,958 32,985 172,305 205,290 Nov 1983 - Apr 1984 10,388 10,388 Dec 1983 - Aug 1984 2,763 2,663 1984 1,562 8,037 9,599 46,433 216,474 262,907 Nov 1984 - Apr 1985 181 9,999 10,180 Dec 1984 - Aug 1985 5,407 3,962 1985 1,632 13,589 15,221 37,410 318,894 356,304 Nov 1985 - Apr 1986 197 8,104 8,301 Dec 1985 - Aug 1986 2,596 2,596 1986 1,433 24,263 25,696 29,367 268,453 297,820 Nov 1986 - Apr 1987 349 16,222 16,571 Dec 1986 - Aug 1987 2,185 2,088 1987 1,213 12,675 13,888 34,210 267,373 301,583 Nov 1987 - Apr 1988 53 13,165 13,218 Dec 1987 - Aug 1988 2,878 2,150 1988 6,833 12,100 18,933 29,305 239,131 268,436 Nov 1988 - Apr 1989 65 12,807 12,872 Dec 1988 - Aug 1989 696 682 1989 5,078 7,085 12,163 29,468 152,882 182,350 Page 2 of 25 California Department of Fish and Wildlife - Fisheries Branch Anadromous Assessment - GrandTab Date Compiled: 6/30/2021 CHINOOK SALMON ESCAPEMENT - ALL RUNS CENTRAL VALLEY: Sacramento and San Joaquin river systems LATE-FALL WINTER YEAR SPRING FALL YEAR Hatcheries In-River TOTAL YEAR TOTAL RBDD Hatcheries In-River TOTAL Hatcheries In-River TOTAL Nov 1989 - Apr 1990 92 7,986 8,078 Dec 1989 - Aug 1990 430 402 1990 1,893 5,790 7,683 25,725 62,128 87,853 Nov 1990 - Apr 1991 161 8,102 8,263 Dec 1990 - Aug 1991 211 211 1991 4,303 1,623 5,926 28,611 103,844 132,455 Nov 1991 - Apr 1992 344 9,787 10,131 Dec 1991 - Aug 1992 1,240 1,196 1992 1,497 1,547 3,044 31,249 79,164 110,413 Nov 1992 - Apr 1993 528 739 1,267 Dec 1992 - Aug 1993 387 378 1993 4,672 1,404 6,076 32,807 132,616 165,423 Nov 1993 - Apr 1994 598 291 889 Dec 1993 - Aug 1994 186 186 1994 3,641 2,546 6,187 45,622 175,045 220,667 Nov 1994 - Apr 1995 323 166 489 Dec 1994 - Aug 1995 1,297 1,290 1995 5,414 9,824 15,238 49,249 280,919 330,168 Nov 1995 - Apr 1996 1,337 48 1,385 Dec 1995 - Aug 1996 1,337 1,337 1996 6,381 2,702 9,083 41,960 309,591 351,551 Nov 1996 - Apr 1997 4,578 4,578 Dec 1996 - Aug 1997 880 880 1997 3,653 1,540 5,193 78,888 323,909 402,797 Nov 1997 - Apr 1998 3,079 39,340 42,419 Dec 1997 - Aug 1998 2,992 2,930 1998 6,746 24,903 31,649 78,918 167,108 246,026 Nov 1998 - Apr 1999 7,075 8,683 15,758 Dec 1998 - Aug 1999 3,288 3,288 1999 3,731 6,369 10,100 54,444 359,815 414,259 Nov 1999 - Apr 2000 4,181 8,702 12,883 Dec 1999 - Aug 2000 1,352 1,352 2000 3,657 5,587 9,244 58,361 427,320 485,681 Nov 2000 - Apr 2001 2,439 19,374 21,813 Dec 2000 - Aug 2001 8,224 5,499 2001 4,135 22,528 26,663 68,709 555,922 624,631 Nov 2001 - Apr 2002 4,186 36,220 40,406 Dec 2001 - Aug 2002 7,441 9,157 2002 4,189 20,854 25,043 106,001 766,668 872,669 Nov 2002 - Apr 2003 3,183 5,699 8,882 Dec 2002 - Aug 2003 8,218 9,724 2003 8,662 22,035 30,697 126,763 464,229 590,992 Nov 2003 - Apr 2004 5,166 8,984 14,150 Dec 2003 - Aug 2004 7,869 7,192 2004 4,212 12,938 17,150 128,275 258,573 386,848